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Finding the Third Proportional to 64,719,006 and 138,649,654

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Solution

The third proportional to 64,719,006 and 138,649,654 is: 297,033,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,719,006 : 138,649,654 = 138,649,654 : x
  2. Step 2: Convert to fraction form
    64,719,006/138,649,654 = 138,649,654/x
  3. Step 3: Cross multiply
    64,719,006x = 138,649,654 × 138,649,654
  4. Step 4: Simplify right side
    64,719,006x = 19,223,726,554,319,716
  5. Step 5: Solve for x
    x = 19,223,726,554,319,716/64,719,006
  6. Step 6: Final answer
    x = 297,033,711.46

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.